Les maths, on aime ou on n’aime pas. Ce numéro peut être profitable à tous. Une reprise des bases, des aperçus nouveaux, drôles, étranges, des liens avec d’autres domaines, qu’on ne soupçonnait. Vous trouverez de tout dans ces pages : des poètes, des fous, des embouteillages, les courbes d’un paysage désertique… Mais aussi une manière de poser encore et toujours les mêmes questions

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Provides answers to questions related to atoms and molecules, including information on the periodic table, positive and negative charges, different types of bonds, and organic compounds.

James Owen Weatherall's previous book, The Physics of Wall Street, was a New York Times best-seller and named one of Physics Today's five most intriguing books of 2013. In his newest volume, he takes on a fundamental concept of modern physics: nothing. The physics of stuff--protons, neutrons, electrons, and even quarks and gluons--is at least somewhat familiar to most of us. But what about the physics of nothing? Isaac Newton thought of empty space...

"This book introduces readers to the science behind cloud formation. Students learn about evaporation and condensation and about clouds' place in the water cycle. Vivid photographs and easy-to-read text aid comprehension for early readers. QR Codes in the book give readers access to book-specific resources to further their learning. Aligned to Common Core Standards and correlated to state standards.." --

"This book introduces readers to the science behind migration. Students learn about the hunger and nesting factors that motivate birds to fly south for the winter and north for the summer" --

"This book introduces readers to the science behind the sky. Students learn about the makeup of the atmosphere and the different wavelengths of light. Vivid photographs and easy-to-read text aid comprehension for early readers. QR Codes in the book give readers access to book-specific resources to further their learning. Aligned to Common Core Standards and correlated to state standards." --

"In this book, early readers will learn about what makes the sun shine. Vibrant, full-color photos and carefully leveled text will engage beginning readers as they learn how the sun creates heat and light and supports life on Earth. A picture diagram shows how the sun's rays reach Earth, while a picture glossary reinforces new vocabulary. Children can learn more about the sun and our planet online using our safe search engine that provides relevant,...